Crossword Puzzle

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Across
  1. 1. Adjacent/Hypotenuse
  2. 5. X-coordinate
  3. 7. Any set of one or more ordered pairs.
  4. 9. Hypotenus/Opposite
  5. 10. Vertical numberline
  6. 13. Coordinate System
  7. 15. Smoothe Curve
  8. 16. First degree
  9. 18. Four regions
  10. 19. Opposite/Adjacent
  11. 20. Y-ordinate
Down
  1. 2. Axes intersection
  2. 3. Set of abscissas
  3. 4. Variation of values
  4. 6. Opposite/Hypotenuse
  5. 8. Third degree function
  6. 11. Horizontal numberline
  7. 12. Steepness of the line
  8. 14. Says how many times to use that number
  9. 17. ϴ